Function useIsUnmountedRef

src/hooks/useIsUnmountedRef.ts:13–26

()

 * @returns The mutable ref object.
 */
export const useIsUnmountedRef = (): MutableRefObject<boolean> => {
	const mountedRef = useRef<boolean>( false );

	useEffect( () => {
		// Prevent issues in strict mode.
		mountedRef.current = false;

		return () => {
			mountedRef.current = true;
		};
	}, [] );

	return mountedRef;
};